Back to ICD-10 library
ICD-10-CM · FY 2026 APRIL UPDATE

M1A.0

Idiopathic chronic gout

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
M1A.00Idiopathic chronic gout, unspecified siteCategory
M1A.00X0Idiopathic chronic gout, unspecified site, without tophus (tophi)Billable
M1A.00X1Idiopathic chronic gout, unspecified site, with tophus (tophi)Billable
M1A.01Idiopathic chronic gout, shoulderCategory
M1A.011Idiopathic chronic gout, right shoulderCategory
M1A.0110Idiopathic chronic gout, right shoulder, without tophus (tophi)Billable
M1A.0111Idiopathic chronic gout, right shoulder, with tophus (tophi)Billable
M1A.012Idiopathic chronic gout, left shoulderCategory
M1A.0120Idiopathic chronic gout, left shoulder, without tophus (tophi)Billable
M1A.0121Idiopathic chronic gout, left shoulder, with tophus (tophi)Billable
M1A.019Idiopathic chronic gout, unspecified shoulderCategory
M1A.0190Idiopathic chronic gout, unspecified shoulder, without tophus (tophi)Billable
M1A.0191Idiopathic chronic gout, unspecified shoulder, with tophus (tophi)Billable
M1A.02Idiopathic chronic gout, elbowCategory
M1A.021Idiopathic chronic gout, right elbowCategory
M1A.0210Idiopathic chronic gout, right elbow, without tophus (tophi)Billable
M1A.0211Idiopathic chronic gout, right elbow, with tophus (tophi)Billable
M1A.022Idiopathic chronic gout, left elbowCategory
M1A.0220Idiopathic chronic gout, left elbow, without tophus (tophi)Billable
M1A.0221Idiopathic chronic gout, left elbow, with tophus (tophi)Billable
M1A.029Idiopathic chronic gout, unspecified elbowCategory
M1A.0290Idiopathic chronic gout, unspecified elbow, without tophus (tophi)Billable
M1A.0291Idiopathic chronic gout, unspecified elbow, with tophus (tophi)Billable
M1A.03Idiopathic chronic gout, wristCategory
M1A.031Idiopathic chronic gout, right wristCategory
M1A.0310Idiopathic chronic gout, right wrist, without tophus (tophi)Billable
M1A.0311Idiopathic chronic gout, right wrist, with tophus (tophi)Billable
M1A.032Idiopathic chronic gout, left wristCategory
M1A.0320Idiopathic chronic gout, left wrist, without tophus (tophi)Billable
M1A.0321Idiopathic chronic gout, left wrist, with tophus (tophi)Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.